package this关键字;

public class student_1测试类 {
    public static void main(String[] args) {
        student_1 st=new student_1();
        System.out.println(st.x);
        System.out.println(st.y);
        System.out.println("------------------------------------");
        st.pass1(10);
        System.out.println("------------------------------------");
        st.pass2(11);
        System.out.println("------------------------------------");
        st.pass3(12);
        System.out.println("------------------------------------");
        st.pass4(13);
    }

}
